Unit Will Not Start - Gree Neo GWH09MA-A3DNA3A Installation, Service & Troubleshooting

Indoor and
outdoor unit
inoperative
Troubleshooting

Unit Will Not Start

Power voltage low
Outdoor unit will not start
Remote controller not
responding
Circuit breaker tripping
Ensure proper voltage, should be withing 10%
No power
Poor electrical connection
Controller fuse open
Defective controller board
No power at remote
controller
Remote controller
malfunction
Indoor receiver defective
Breaker trips
immediately
Breaker trips within minutes
of turning on
Breaker is warm to touch
of nameplate
Check fuses or circuit
breakers
Check wire connections
Replace fuse
Replace controller board
Replace remote controller
batteries
Press the "Auto" button.
If no response, check
for proper voltage and
connections. If there is
a response, check for
defective remote controller
or indoor receiver.
Check for shorted wires,
reactor or AP2 board
Individual components
could be defective.
Eliminate by checking
resistance on each
individual component.
Check insulation on wires
and proper positioning of
wires.
Check for defective
breaker, poor wire
connections
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